KT

Kazuyuki Tanaka

HC Hitachi Chemical Company: 7 patents #228 of 1,946Top 15%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
TC Toyo Kogyo Co.: 6 patents #6 of 216Top 3%
KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
OC Olympus Optical Co.: 5 patents #667 of 2,334Top 30%
SC Sumitomo Chemical: 5 patents #946 of 4,033Top 25%
FS Furukawa Automotive Systems: 4 patents #41 of 269Top 20%
FC Furukawa Electric Co.: 4 patents #473 of 2,370Top 20%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
FK Futaba Denshi Kogyo K.K.: 2 patents #68 of 173Top 40%
SS Sgs-Thomson Microelectronics S.A.: 1 patents #534 of 957Top 60%
KO Konica: 1 patents #1,290 of 1,958Top 70%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
FK Futaba Denshi Kogyo: 1 patents #54 of 123Top 45%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
KC Kuraray Co.: 1 patents #981 of 1,827Top 55%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
SC Seikosha Co.: 1 patents #184 of 312Top 60%
📍 Tainai, JP: #1 of 1 inventorsTop 100%
Overall (All Time): #49,370 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #TitleCo-InventorsDate
4215541 Dual-catalyst exhaust gas purifying apparatus for multi-cylinder engine Kazuo Kobayashi, Tatsuro Oda, Tadataka Nakazumi 1980-08-05
4215542 Exhaust gas purifying apparatus for automobile multi-cylinder engine Kazuo Kobayashi, Tatsuro Oda, Tadataka Nakazumi 1980-08-05
4201175 Cylinder head construction Kazuo Kobayashi, Itsuro Okabe, Toshimitsu Tanaka 1980-05-06